Doctor Who (1963) Season 21 Episode 26 Synopsis

Earth, the future. The genius Sylvest twins, child prodigies, are kidnapped by the mysterious Professor Edgeworth and taken to the planet Jaconda. But who is Edgeworth? Why does he serve the giant slug Mestor? And what is Mestor's plan?

Doctor Who (1963) Season 21 Episodes...

• s21e01 - Warriors of the Deep (1)
• s21e02 - Warriors of the Deep (2)
• s21e03 - Warriors of the Deep (3)
• s21e04 - Warriors of the Deep (4)
• s21e05 - The Awakening (1)
• s21e06 - The Awakening (2)
• s21e07 - Frontios (1)
• s21e08 - Frontios (2)
• s21e09 - Frontios (3)
• s21e10 - Frontios (4)
• s21e11 - Resurrection of the Daleks (1)
• s21e12 - Resurrection of the Daleks (2)
• s21e13 - Resurrection of the Daleks (3)
• s21e14 - Resurrection of the Daleks (4)
• s21e15 - Planet of Fire (1)
• s21e16 - Planet of Fire (2)
• s21e17 - Planet of Fire (3)
• s21e18 - Planet of Fire (4)
• s21e19 - The Caves of Androzani (1)
• s21e20 - The Caves of Androzani (2)
• s21e21 - The Caves of Androzani (3)
• s21e22 - The Caves of Androzani (4)
• s21e23 - The Twin Dilemma (1)
• s21e24 - The Twin Dilemma (2)
• s21e25 - The Twin Dilemma (3)
• s21e26 - The Twin Dilemma (4)

Doctor Who (1963) Show Summary

Doctor Who is the longest-running science fiction TV series in history, airing initially from 1963 to 1989. Doctor Who is about ideas. It pioneered sophisticated mixed-level storytelling. Its format was the key to its longevity: the Doctor, a mysterious traveller in space and time, travels in his ship, the TARDIS. The TARDIS can take him and his companions anywhere in time and space. Inevitably he finds evil at work wherever he goes...